Telephone-Transmitter. Page: 1 of 2
Reference the current page of this Patent.
Telephone-Transmitter., patent, May 11, 1897; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth174611/m1/1/?rotate=270: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.